From BBC news Quote:
"....Boeing has backed the battery used in the Dreamliner after Japan Airlines and All Nippon Airways said they changed a number of them in the past few months.........Boeing said while the replacement rate was "slightly higher" than usual, the changes were "routine maintenance" ......
On Wednesday, All Nippon Airways said it replaced batteries 10 times over the past few months, while Japan Airlines said it did so in a "few cases" over the past few months. Boeing said that it was carrying out an investigation to find out what caused the battery malfunctions.
.....said Mr McNerney, chief executive of Boeing.
"We feel good about the battery technology and it's fit for the aeroplane"..... "
BBC News - Dreamliner: Boeing defends 787 batteries
I wonder why "routine maintenance" has led to "an investigation". And if McNerney and the management team "feel good" about the battery arrangement, I wonder how the Boeing stockholders feel about the management team.
The BBC headline is misleading. What McNerney has done is defend the choice of battery technology, not the batteries themselves. I think it is looking clear that Boeing needs a battery redesign and McNerney must know this already. In fact with dozens of battery replacements across the fleet, he should have known this for many months now. If Boeing management have done their job right, there should be a new battery already in the works. If...